PHP Error: cannot use Drupal\commerce_price\Price as array

Trying to use this for client and 'recalculate shipping' returns php error:

Error: Cannot use object of type Drupal\commerce_price\Price as array in Drupal\commerce_rl_carriers\RLCarriersRateRequest->getRates() (line 120 of /var/www/html/web/modules/contrib/commerce_rl_carriers/src/RLCarriersRateRequest.php) #0 /var/www/html/web/modules/contrib/commerce_rl_carriers/src/Plugin/Commerce/ShippingMethod/RLCarriers.php(155): Drupal\commerce_rl_carriers\RLCarriersRateRequest->getRates(Object(Drupal\commerce_shipping\Entity\Shipment), Object(Drupal\commerce_rl_carriers\Plugin\Commerce\ShippingMethod\RLCarriers)) #1 /var/www/html/web/modules/contrib/commerce_shipping/src/Plugin/Field/FieldWidget/ShippingRateWidget.php(94): Drupal\commerce_rl_carriers\Plugin\Commerce\ShippingMethod\RLCarriers->calculateRates(Object(Drupal\commerce_shipping\Entity\Shipment)) #2 /var/www/html/web/core/lib/Drupal/Core/Field/WidgetBase.php(335): Drupal\commerce_shipping\Plugin\Field\FieldWidget\ShippingRateWidget->formElement(Object(Drupal\Core\Field\EntityReferenceFieldItemList), 0, Array, Array, Object(Drupal\Core\Form\FormState)) #3 /var/www/html/web/core/lib/Drupal/Core/Field/WidgetBase.php(202): Drupal\Core\Field\WidgetBase->formSingleElement(Object(Drupal\Core\Field\EntityReferenceFieldItemList), 0, Array, Array, Object(Drupal\Core\Form\FormState)) #4 /var/www/html/web/core/lib/Drupal/Core/Field/WidgetBase.php(104): Drupal\Core\Field\WidgetBase->formMultipleElements(Object(Drupal\Core\Field\EntityReferenceFieldItemList), Array, Object(Drupal\Core\Form\FormState)) #5 /var/www/html/web/core/lib/Drupal/Core/Entity/Entity/EntityFormDisplay.php(171): Drupal\Core\Field\WidgetBase->form(Object(Drupal\Core\Field\EntityReferenceFieldItemList), Array, Object(Drupal\Core\Form\FormState)) #6 /var/www/html/web/modules/contrib/commerce_shipping/src/Plugin/Commerce/CheckoutPane/ShippingInformation.php(254): Drupal\Core\Entity\Entity\EntityFormDisplay->buildForm(Object(Drupal\commerce_shipping\Entity\Shipment), Array, Object(Drupal\Core\Form\FormState)) #7 /var/www/html/web/modules/contrib/commerce/modules/checkout/src/Plugin/Commerce/CheckoutFlow/CheckoutFlowWithPanesBase.php(558): Drupal\commerce_shipping\Plugin\Commerce\CheckoutPane\ShippingInformation->buildPaneForm(Array, Object(Drupal\Core\Form\FormState), Array) #8 [internal function]: Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlow\CheckoutFlowWithPanesBase->buildForm(Array, Object(Drupal\Core\Form\FormState), 'order_informati...') #9 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(518): call_user_func_array(Array, Array) #10 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(368): Drupal\Core\Form\FormBuilder->retrieveForm('commerce_checko...', Object(Drupal\Core\Form\FormState)) #11 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(625): Drupal\Core\Form\FormBuilder->rebuildForm('commerce_checko...', Object(Drupal\Core\Form\FormState), Array) #12 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(318): Drupal\Core\Form\FormBuilder->processForm('commerce_checko...', Array, Object(Drupal\Core\Form\FormState)) #13 /var/www/html/web/core/lib/Drupal/Core/Form/FormBuilder.php(216): Drupal\Core\Form\FormBuilder->buildForm('commerce_checko...', Object(Drupal\Core\Form\FormState)) #14 /var/www/html/web/modules/contrib/commerce/modules/checkout/src/Controller/CheckoutController.php(94): Drupal\Core\Form\FormBuilder->getForm(Object(Drupal\commerce_checkout\Plugin\Commerce\CheckoutFlow\MultistepDefault), 'order_informati...') #15 [internal function]: Drupal\commerce_checkout\Controller\CheckoutController->formPage(Object(Drupal\Core\Routing\RouteMatch)) #16 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(123): call_user_func_array(Array, Array) #17 /var/www/html/web/core/lib/Drupal/Core/Render/Renderer.php(582): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #18 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(124): Drupal\Core\Render\Renderer->executeInRenderContext(Object(Drupal\Core\Render\RenderContext), Object(Closure)) #19 /var/www/html/web/core/lib/Drupal/Core/EventSubscriber/EarlyRenderingControllerWrapperSubscriber.php(97): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->wrapControllerExecutionInRenderContext(Array, Array) #20 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(151): Drupal\Core\EventSubscriber\EarlyRenderingControllerWrapperSubscriber->Drupal\Core\EventSubscriber\{closure}() #21 /var/www/html/vendor/symfony/http-kernel/HttpKernel.php(68): Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object(Symfony\Component\HttpFoundation\Request), 1) #22 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/Session.php(57): Symfony\Component\HttpKernel\HttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #23 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/KernelPreHandle.php(47): Drupal\Core\StackMiddleware\Session->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #24 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(99): Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #25 /var/www/html/web/core/modules/page_cache/src/StackMiddleware/PageCache.php(78): Drupal\page_cache\StackMiddleware\PageCache->pass(Object(Symfony\Component\HttpFoundation\Request), 1, true) #26 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/ReverseProxyMiddleware.php(47): Drupal\page_cache\StackMiddleware\PageCache->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #27 /var/www/html/web/core/lib/Drupal/Core/StackMiddleware/NegotiationMiddleware.php(52): Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #28 /var/www/html/vendor/stack/builder/src/Stack/StackedHttpKernel.php(23): Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #29 /var/www/html/web/core/lib/Drupal/Core/DrupalKernel.php(693): Stack\StackedHttpKernel->handle(Object(Symfony\Component\HttpFoundation\Request), 1, true) #30 /var/www/html/web/index.php(19): Drupal\Core\DrupalKernel->handle(Object(Symfony\Component\HttpFoundation\Request)) #31 {main}.